Ext.onReady(function(){
	var form = new Ext.form.FormPanel({
		defaultType:'textfield',
		labelAlign:'right',
		title:'form',
		labelWidth:50,
		frame:true,
		width:220,
		items:[{
			fieldLabel:'文本框'
		}],
		buttons:[{
			text:'按钮'
		}]
	})
	form.render(Ext.getBody())
})